280578-48-5 4,17-Dioxabicyclo[14.1.0]heptadecane-5,9-dione,3-[(1E)-2-[2-(azidomethyl)-4-thiazolyl]-1-methylethenyl]-7,11-dihydroxy-8,8,10,12,16-pentamethyl-, (1S,3S,7S,10R,11S,12S,16R)- 36576-56-4 10'-methoxy-5,5',7,7'-tetramethyl-20-oxa-7,7'-diazaspiro[heptacyclo[13.6.1.1~5,9~.0~1,12~.0~4,11~.0~14,16~.0~16,21~]tricosane-19,12'-hexacyclo[9.6.2.0~1,8~.0~5,17~.0~9,14~.0~14,18~]nonadecane]-4(11),12-diene (non-preferred name)